1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
#!/usr/bin/env perl
# extractres: extract resources from PostScript file
# includeres: add resources to a PostScript file
#
# (c) Reuben Thomas 2012
# (c) Angus J. C. Duggan 1991-1997
# See file LICENSE for details.
use strict;
use warnings;
use File::Basename;
use Getopt::Long;
my $prog = basename($0);
# Resource extensions
my %extn = ("font" => ".pfa", "file" => ".ps", "procset" => ".ps",
"pattern" => ".pat", "form" => ".frm", "encoding" => ".enc");
# Resource types
my %type = ("%%BeginFile:" => "file", "%%BeginProcSet:" => "procset",
"%%BeginFont:" => "font");
sub filename { # make filename for resource in @_
my $name;
foreach (@_) { # sanitise name
s/[!()\$\#*&\\\|\`\'\"\~\{\}\[\]\<\>\?]//g;
$name .= $_;
}
$name =~ s@.*/@@; # drop directories
die "$prog: filename not found for resource ", join(" ", @_), "\n"
if $name =~ /^$/;
return $name;
}
sub extract {
my %resources = (); # list of resources included
my %merge = (); # list of resources extracted this time
my $merge;
unless (GetOptions('merge' => \$merge)) {
print STDERR "Usage: $prog [-merge] [FILE]\n";
exit 1;
}
my $prolog = "";
my $body = "";
my $resource = "";
my $output = \$prolog;
my $saveout;
while (<>) {
if (/^%%BeginResource:/ || /^%%BeginFont:/ || /^%%BeginProcSet:/) {
my ($comment, @res) = split(/\s+/); # look at resource type
my $type = defined($type{$comment}) ? $type{$comment} : shift(@res);
my $name = filename(@res, $extn{$type}); # make file name
$saveout = $output;
if (!defined($resources{$name})) {
$prolog .= "%%IncludeResource: $type " . join(" ", @res) . "\n";
if (!-e $name) {
open RES, ">$name" || die "$prog: can't write file `$name'\n";
$resources{$name} = "";
$merge{$name} = $merge;
$output = \$resources{$name};
} else { # resource already exists
close(RES);
undef $output;
}
} elsif ($merge{$name}) {
open RES, ">>$name" || die "$prog: can't append to file `$name'\n";
$resources{$name} = "";
$output = \$resources{$name};
} else { # resource already included
undef $output;
}
} elsif (/^%%EndResource/ || /^%%EndFont/ || /^%%EndProcSet/) {
if (defined $output) {
$$output .= $_;
print RES $$output;
}
$output = $saveout;
next;
} elsif ((/^%%EndProlog/ || /^%%BeginSetup/ || /^%%Page:/)) {
$output = \$body;
}
$$output .= $_ if defined $output;
}
print $prolog . $body;
}
sub include {
while (<>) {
if (/^%%IncludeResource:/ || /^%%IncludeFont:/ || /^%%IncludeProcSet:/) {
my ($comment, @res) = split(/\s+/);
my $type = defined($type{$comment}) ? $type{$comment} : shift(@res);
my $name = filename(@res);
if (open(RES, $name) || open(RES, "$name$extn{$type}")) {
print do { local $/; <RES> };
close(RES);
} else {
print "%%IncludeResource: ", join(" ", $type, @res), "\n";
print STDERR "$prog: resource `$name' not found\n";
}
} else {
print $_;
}
}
}
# Perform function according to name
if ($prog eq "extractres") {
extract();
} elsif ($prog eq "includeres") {
include();
} else {
die "$prog: I need to be called `extractres' or `includeres'\n";
}
|
